fix travis script

Author: lohanidamodar

CHANGELOG.md

@@ -1,8 +1,8 @@
 ## 7.0.0
 * **BREAKING** Switched to using [flutter_web_auth_2](https://pub.dev/packages/flutter_web_auth_2), check Getting Started section in Readme for changes (Android and Web will require adjustments for OAuth to work properly)
-* **Windows** support for OAuth sessions
 * Fixes Concurrent modification issue
 * Upgrade dependencies
+* **Windows** support for OAuth sessions
 
 ## 6.0.0
 * Support for Appwrite 0.15

LICENSE

@@ -9,4 +9,4 @@ Redistribution and use in source and binary forms, with or without modification,
 
     3. Neither the name Appwrite nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
 
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

lib/appwrite.dart

@@ -2,12 +2,15 @@ library appwrite;
 
 import 'dart:async';
 import 'dart:typed_data';
+import 'package:flutter/foundation.dart';
+import 'package:http/http.dart' show MultipartFile;
 import 'src/enums.dart';
 import 'src/client.dart';
 import 'src/service.dart';
 import 'src/input_file.dart';
 import 'models.dart' as models;
 import 'src/upload_progress.dart';
+import 'src/exception.dart';
 
 export 'src/response.dart';
 export 'src/client.dart';